he is the james madison professor of political economy at princeton university, and contributing writer to "the new york times" economix blog. thank you for being with us. >> i am very honored by it. i should have added that i was delivered by a midwife, and of course my mother. i once told that to a member of the american medical association. he said, it shows. i am not sure what he meant. i divided my written statement into three parts. is our medical capability efficiently used? the answer is no. the second is, what public policy levers does congress have, given that we want more primary-care physicians, to move them into that field, and also to practice where they are needed? the third is, to what extent can financial incentives be used, which you have already answered him and talked about. the traditional model of workforce forecasting has been to focus on physician population ratios, as if all the other people who work in the primary care team did not matter. my whole career has been to say we should use non-physician workers far more imaginatively, he and let them practice indepe